Mathematics College

help me please ill give brainlest

Answers

Answer 1

Answer:

D is the answer I think......

Related Questions

2x+22=5x-20, i need help with the steps and the answer. i suck at these :/

Answers

Answer:

x=14

Step-by-step explanation:

2x+22=5x-20

First, subtract 2x from both sides

22=3x-20

Then add 20 to both sides

42=3x

Then divide by 3 to both sides

14=x

Check your answer:

2(14)+22=5(14)-2050=50

What is this answer? Please help.

Answers

9514 1404 393

Answer:

111.46 units

Step-by-step explanation:

The right triangle has side lengths that are 1/√2 times the hypotenuse length, so each is (18√2)/(√2) = 18 units. The top is this length shorter than the bottom, so the total of all side lengths (CW from left) is ...

18 + (43 -18) +18√2 +43 = 86 +18√2 ≈ 111.46 units

How do you know if a point is a solution to a linear inequality

Answers

Answer:

To see if an ordered pair is a solution to an inequality, plug it into the inequality and simplify. If you get a true statement, then the ordered pair is a solution to the inequality. If you get a false statement, then the ordered pair is not a solution.

Step-by-step explanation:

What is the answer to this?

Answers

Answer:

Step-by-step explanation:

I need an example of a proportional relationship

Answers

Answer:

if you want an equation... an example could be

y=3x+5

Step-by-step explanation:

Answer:

Proportions are the same ratios written in different forms. A proportional relationship is states that they are the same. For example, 1/2 and 6/12 have a proportional relationship, which means they are the same.

pls give brainliest

Use an inverse matrix to solve the system of equations, if possible.
2x + 3y = 2
x – 4y = -21

Answers

2x+3y-2=0

x-4y+21=0

do i need to explain orr..?

Answer:

yes You need to explain step by step explanation

sallyport 4/5 gallon of water into a bird by the next morning she finds 3/4 of water gone. What is the amount of water,in gallons, that is gone.

A. 7\9 gallons

B. 3/5 gallons

C. 1/4 gallons

D. 1/5 gallons

Answers

The answer is B. 3/5 gallons

Answer:

Step-by-step explanation:

if she filled it 4/5 and the next morning 3/4 of the water was gone the birds drank 1/4

Which statements are true about points A, B, and C? Check all that apply.

Answers

Where are the choices and the points?

3x+2(4x-4)=3 I need help with this asappp

Answers

Answer:

x=1

Step-by-step explanation:

3x+8x-8=3

11x=3+8

11x=11

x=11/11

x=1

Four families went out for lunch. The total food
bill came to $167. The families also left a $30 tip for the
waitress. If each family spent the same amount, about how
much did each family spend on dinner? Explain how you
found your answer.

Answers

Answer:

Each family spent about 34.25 on dinner

Step-by-step explanation:

$167 - $30 (tip) = 137

137 ÷ 4 (for each family) = 34.25

BUT

if each family is seperate than they each spent about 11.75 on dinner

167 - (30 x 4) = 47

47 ÷ 4 = 11.75

I'm pretty sure the first one is the answer though

If the total doesn't include the tip, and the tip isn't included in how much the families each spent, they spent $41.75 each on their food bill.

If the total includes the tip, each family spent $34.25 on their food bill and $7.50 on the tip for the waitress.

If the total doesn't include the tip, but you want to include the tip, each family spent $49.25 on the food bill AND tip.

167/4 = 41.25
(167-30)/4 = 34.25
30/4 = 7.50
(167+30)/4 = 49.25

find the sum of the following 2+4+6+8+.....+30

Answers

Answer:

Step-by-step explanation:

Equation: 2+4+6+8+30

Sum: 50

8+2=10

4+6=10

10+10=20+30=50.

Final answer: 50

33 is 5% of what number?

Answers

Answer:

660

Step-by-step explanation:

We know that .05x=33

To solve this just divide by .05

33/.05=660

Answer:

Let the number be x

[tex]5\% \: of \: x = 33 \\ \frac{5}{100} x = 33 \\ x = \frac{33 \times 100}{5} \\ \boxed{x =660}[/tex]

660 is the right answer.

Suzanne's cell phone bill is $84 per month, and she spends $171 per year on student health insurance. On an annual basis, the money spent on her cell phone bill is nothing% of the money spent on student health insurance. (Round to the nearest percent as needed.)

Answers

Answer:

49%

Step-by-step explanation:

84*100=8400

8400/171=49

Janice is standing 15m form the base of a building. From the point where she is standing, the angle of elevation of the top of the building is 32 degrees. How tall is the building, to the nearest tenth of a metre?

Answers

Answer:

the building is 28m

Step-by-step explanation:

Two irregular pentagons are constructed so that every side has a length of 1 unit. Does this necessarily mean that these figures are congruent with one another? Why or why not? Type here to search I

Answers

Answer:

No, their sides are congruent but their angles may not be congruent.

Step-by-step explanation:

cause im smart

Help ME PLSSS HURRY!!!!!!

Answers

Answer:

None of them are proportiionsal

Step-by-step explanation:

Answer:

i don't even see any proportiionsal

Step-by-step explanation:

Determine the number and types of solutions for

6m^2-3m-4=0

Answers

Given:

The equation is

[tex]6m^2-3m-4=0[/tex]

To find:

The number and types of solutions for the given equation.

Solution:

We have,

[tex]6m^2-3m-4=0[/tex]

It is a 2nd degree polynomial because the highest degree of the variable x is 2.

Number of solutions = Degree of the polynomial

Number of solutions = 2

Therefore, the given equation has 2 solutions.

In a quadratic equation [tex]ax^2+bx+c=0[/tex], if [tex]b^2-4ac>0[/tex], then the equation has two distinct real solutions.

For the given equation, a=6, b=-3 and c=-4.

[tex]D=b^2-4ac[/tex]

[tex]D=(-3)^2-4(6)(-4)[/tex]

[tex]D=9+96[/tex]

[tex]D=105>0[/tex]

Therefore, the given equation has two distinct real solutions.

What is the measure of ABC?

A. 60°

B. 45°

C. 120

D. 75m

Answers

On Edg. it is B

B. 45°

19. A computer store used a markup rate of 120%. Find the selling price of a computer game that cost the
retailer $25.

Answers

Answer:

The computer game would sell for $30.

Step-by-step explanation:

25 (1.20) = 30

Evaluate the expression 4ab; if a = 2 and b = 5

Answers

Answer:

Step-by-step explanation:

Five cups of flour are required to make one batch of cookies. How many cups are required to make 2.5 batches?

Answers

12.5 cups of flour are required to make 2.5 batches

12.5 cups and 2.5 batches

Farmer Brown has 360 feet of fencing to use to construct a rectangular enclosure for his prized goats. Which equation gives an area A as a function of the width w of the enclosure?

A(w)=180−w2

A(w)=360−w2

A(w)=180w−w2

A(w)=360w−2w2

Answers

Answer:

A(w) = 180w-w²

Step-by-step explanation:

Farmer Brown has 360 feet of fencing to use to construct a rectangular enclosure for his prized goats.

It means that the perimeter of the rectangle is 360 feet

The formula for the perimeter of a rectangular shape is given by :

P = 2(l+w)

l is length and w is width

ATQ,

2(l+w) = 360

(l+w) =180

l = 180 -w .....(1)

The formula for the area of a rectangle is given by :

A = lw

Put the value of l form equation (1).

A = (180-w)w

A(w) = 180w-w²

Hence, the correct option is (c).

Use the associative property of addition to write an equivalent expression for (x+17) + y
An equivalent expression is

Answers

Answer:

x + (y + 17)

Step-by-step explanation:

The associative property of addition is characterized by altering the order of operations by putting brackets in a different place. The answer will always be the same. Just the order is different.

So one possibility and the one you are likely expected to give is

x + (y + 17)

That means that if 17 and y can be added by giving y a value, then they will be done first.

Then you add z to the result if it has been given a value.

The answer you are expected to give is x + (y + 17)

I GIVEEEE BRAINLILTTTTTTTTTTTTT

Answers

Step-by-step explanation:

F 0,5

G 10,5

H 0,0

the numbers are positive when reflected across x axis

F (0,5) G (10,5) H (0,0)

the slope of the line that passes through the points (2,3) and (5,9) is

Answers

Answer:

The slope is 6/3 or simplified is 2

Step-by-step explanation:

Stick to this formula

y2-y1/

x2-x1

9-3/

5-2 = 6/3 or 2

See attachment for further explanation

Hope this helps (:

The slope of the line that passes through (2, 3)(5, 9) is 2

Slope formula is describe below:m = y₂ - y₁ / x₂ - x₁

Therefore, the slope of the line that passes through the points (2, 3)(5, 9) can be found as follows;

y₁ = 3

y₂ = 9

x₁ = 2

x₂ = 5

m = 9 - 3 / 5 - 2

m = 6 / 3

m = 2

slope = 2

Therefore, the slope of the line that passes through (2, 3)(5, 9) is 2

learn more on slope:https://brainly.com/question/6639603?referrer=searchResults

What expression makes the equation true? (Photo found below)

Answers

im pretty sure A is true

Suppose a city with population 100,000 has been growing at a rate of 2% per year. If this rate continues, find the population of this city in 17 years

Answers

Answer:

34,000

Step-by-step explanation:

100,000-2% equals 2000 that’s the growth Population times that by 17 Years gives you total population growth

Joanne invited 21 friends to her
party. Some of her friends couldn't
attend. She ended up having 16
friends at the party. How many
friends couldn't go to the party?

Answers

5 friends could got to the party
21-16=5

1. Evaluate when y=3. 3y + 2 (2y+6)
33
27
3y+12

Answers

Answer:

Step-by-step explanation:

3(3) + 2 (2(3)+6)

=9 + 2 (12)

=9 + 24

=33

Find the set of solutions for the equation 2x+5=2x

Answers

Answer:

hope i could help you

Step-by-step explanation:

have a nice day

(x + 2)(x + 3). This yields x = –2, –3.

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